Damage induced by viscoplastic waves interaction

• Autorzy: Łodygowski T. , Sumelka W.
• Konferencja: Jubilee Symposium Vibrations In Physical Systems (25 ; 15-19.05.2012 ; Będlewo koło Poznania ; Polska)
• Języki publikacji: EN

Abstrakty

EN

Viscoplastic waves interaction plays a fundamental role in a strain localisation phenomenon especially during highly dynamic processes occurring for example during car or orbiting space objects crashes (strain rates locally reach the values of order 107 s-1 In zones of localised deformation an intensive evolution of damage occurs which is undoubtedly directional (anisotropic) and finally may cause failure (loss of continuity). Such processes are highly influenced by the temperature (reaching often melting points) and mostly under adiabatic conditions. Mathematical description of the mentioned phenomena formulated in terms of Perzyna's thermoviscoplasticity is considered in this paper.

Słowa kluczowe

EN

constitutive modelling; damage anisotropy; viscoplastic waves

PL

modelowanie konstytutywne; anizotropia zniszczenia; fale lepkoplastyczne

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2012
• Tom: Vol. 25
• Strony: 23--32
• Opis fizyczny: Bibliogr. 25 poz., il. kolor., wykr.

Twórcy

autor

Łodygowski T.

• Poznan University of Technology, Institute of Structural Engineering Centre, for Mechatronics, Biomechanics and Nanotechnology Poznan, Poland

autor

Sumelka W.

• Poznan University of Technology, Institute of Structural Engineering Centre, for Mechatronics, Biomechanics and Nanotechnology Poznan, Poland

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